# A flexible calibration method based on small planar target for defocused cameras

> Research article (Optics and Lasers in Engineering, 2022) · cited 26× · AI/ML

**Wikidata**: [openalex:W4282038718](https://www.wikidata.org/wiki/openalex:W4282038718)  
**Source**: https://4ort.xyz/entity/a-flexible-calibration-method-based-on-small-planar-target-for-defocused-cameras